Onecomes to believe whatever one repeats to oneself sufficiently often, whetherthe statement be true or false. It comes to be dominating thought in one'smind.
The mostdramatic conflicts are perhaps, those that take place not between men butbetween a man and himself where the arena of conflict is a solitary mind.
Believing that soom good can be derived from every event is a better preposition than that everything happens for the best, which is assuredly does not.